How do you call the situation of feeling really sad?

Use should(n't) or must(n't) to say the sentence in other words but keeping the same meaning: It isn't a good idea to have pizza for dinner every day.

How do you call a chemical substance produced in your body?

How do you call the small round marks that appear on your face or body?

How do you call the food you usually eat?

How do you call the pain you feel after eating too much?

How do you call when your skin turns red because of overexposure to the sun?

How do you call the situation of needing someone or something? For example "Your dog _________ _________ you"

What's the word for a person who doesn't eat meat?

What's the adjective that describes a good physical or mental condition?

Use should(n't) or must(n't) to say this sentence keeping the same meaning. It's a good idea to do some exercise every morning.

What's the word for gently moving your hand especially on a pet's body?

What's the opposite of well-behaved?